该策略是一个结合了多周期移动平均线和成交量分析的趋势跟踪系统。策略通过日线周期的EMA9、WMA20和WMA200三条均线来确认整体趋势,同时引入OBV(On Balance Volume)指标及其EMA进行交易量确认,实现更稳健的趋势跟踪交易。
策略运作基于两个核心条件: 1. 趋势确认 - 通过判断三条日线均线(EMA9、WMA20、WMA200)是否都处于上升状态来确认趋势方向。当三条均线都向上倾斜时,表明各个时间周期都呈现多头趋势。 2. 成交量确认 - 使用OBV指标及其13周期EMA进行成交量分析。当OBV的EMA位于OBV之上时,表明成交量支撑价格上涨,确认趋势有效性。 只有当这两个条件同时满足时,策略才会产生做多信号。当任一条件不成立时,策略会平仓退出。
该策略通过结合多周期趋势分析和成交量确认,构建了一个相对完整的趋势跟踪系统。策略逻辑清晰,风险控制合理,但仍有优化空间。建议交易者在实盘中谨慎测试,根据具体市场特点进行参数调整。
/*backtest
start: 2024-09-01 00:00:00
end: 2025-02-18 08:00:00
period: 5d
basePeriod: 5d
exchanges: [{"eid":"Binance","currency":"BTC_USDT"}]
*/
//@version=6
strategy("Strategy: Daily MAs + OBV", overlay=true, initial_capital=10000, default_qty_type=strategy.percent_of_equity, default_qty_value=10, commission_type=strategy.commission.percent, commission_value=0.1)
//=== Daily Moving Averages Calculation =========================
// Get daily timeframe values using request.security.
dailyEMA9 = request.security(syminfo.tickerid, "D", ta.ema(close, 9))
dailyWMA20 = request.security(syminfo.tickerid, "D", ta.wma(close, 20))
dailyWMA200 = request.security(syminfo.tickerid, "D", ta.wma(close, 200))
// Check if each moving average is trending upward (current > previous).
ema9_up = dailyEMA9 > nz(dailyEMA9[1])
wma20_up = dailyWMA20 > nz(dailyWMA20[1])
wma200_up = dailyWMA200 > nz(dailyWMA200[1])
trend_condition = ema9_up and wma20_up and wma200_up
//=== OBV and its 13-period EMA Calculation ================================
// Calculate OBV manually using a cumulative sum.
obv_val = ta.cum(close > close[1] ? volume : (close < close[1] ? -volume : 0))
// 13-period EMA of the OBV.
ema13_obv = ta.ema(obv_val, 13)
// Condition: 13-period EMA of OBV must be above the OBV value.
obv_condition = ema13_obv > obv_val
//=== Entry Condition ===================================================
// Both trend and OBV conditions must be met.
buy_condition = trend_condition and obv_condition
//=== Entry and Exit Orders =============================================
// Enter a long position when the buy condition is met and no position is open.
if buy_condition and strategy.position_size <= 0
strategy.entry("Long", strategy.long)
// Exit the position when the condition is no longer met.
if not buy_condition and strategy.position_size > 0
strategy.close("Long")
//=== Explicit Entry and Exit Markers ====================================
// Determine the exact bar where entry and exit occur.
entry_signal = (strategy.position_size > 0 and (strategy.position_size[1] <= 0))
exit_signal = (strategy.position_size == 0 and (strategy.position_size[1] > 0))
plotshape(entry_signal, title="Entry Signal", location=location.belowbar, style=shape.labelup, text="BUY", color=color.new(color.green, 0), size=size.normal)
plotshape(exit_signal, title="Exit Signal", location=location.abovebar, style=shape.labeldown, text="SELL", color=color.new(color.red, 0), size=size.normal)
//=== Plots for Visualization ===============================================
// Plot daily moving averages.
plot(dailyEMA9, color=color.blue, title="Daily EMA 9")
plot(dailyWMA20, color=color.orange, title="Daily WMA 20")
plot(dailyWMA200, color=color.red, title="Daily WMA 200")
// Plot OBV and its 13-period EMA using color.new() to specify transparency.
plot(obv_val, color=color.new(color.gray, 30), title="OBV")
plot(ema13_obv, color=color.new(color.green, 0), title="13-Period EMA OBV")